From: Peter Zijlstra <peterz@infradead.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Christoph Hellwig <hch@infradead.org>,
Jens Axboe <axboe@kernel.dk>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
Kees Cook <keescook@chromium.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] block: switch to atomic_t for request references
Date: Wed, 8 Dec 2021 21:32:50 +0100 [thread overview]
Message-ID: <20211208203250.GA16608@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <CAHk-=wg6reEPRY6ZDNA=3=cGRyK1csKhw0p3Ug57Z9by_Ev9Hw@mail.gmail.com>
On Wed, Dec 08, 2021 at 10:50:10AM -0800, Linus Torvalds wrote:
> On Wed, Dec 8, 2021 at 10:44 AM Peter Zijlstra <peterz@infradead.org> wrote:
> >
> > From testing xadd had different flags from add; I've not yet looked at
> > the SDM to see what it said on the matter.
>
> That should not be the case. Just checked, and it just says
>
> "The CF, PF, AF, SF, ZF, and OF flags are set according to the
> result of the addition, which is stored in the destination operand"
I got the constraints wrong :/ They match now.
next prev parent reply other threads:[~2021-12-08 20:32 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-03 15:35 [PATCH] block: switch to atomic_t for request references Jens Axboe
2021-12-03 15:56 ` Keith Busch
2021-12-06 6:53 ` Christoph Hellwig
2021-12-06 8:31 ` Peter Zijlstra
2021-12-06 16:32 ` Jens Axboe
2021-12-06 17:19 ` Peter Zijlstra
2021-12-06 17:35 ` Linus Torvalds
2021-12-06 18:13 ` Jens Axboe
2021-12-06 20:51 ` Kees Cook
2021-12-06 21:17 ` Linus Torvalds
2021-12-06 23:28 ` Kees Cook
2021-12-07 0:13 ` Linus Torvalds
2021-12-07 4:56 ` Kees Cook
2021-12-07 9:34 ` Peter Zijlstra
2021-12-07 16:03 ` Linus Torvalds
2021-12-07 10:30 ` Peter Zijlstra
2021-12-07 16:10 ` Linus Torvalds
2021-12-07 16:23 ` Peter Zijlstra
2021-12-06 16:31 ` Jens Axboe
2021-12-07 11:26 ` Peter Zijlstra
2021-12-07 13:28 ` Peter Zijlstra
2021-12-07 15:51 ` Peter Zijlstra
2021-12-07 16:13 ` Linus Torvalds
2021-12-07 16:52 ` Peter Zijlstra
2021-12-07 17:41 ` Peter Zijlstra
2021-12-07 17:43 ` Linus Torvalds
2021-12-07 17:45 ` Linus Torvalds
2021-12-07 20:28 ` Peter Zijlstra
2021-12-07 23:23 ` Linus Torvalds
2021-12-08 17:07 ` Peter Zijlstra
2021-12-08 18:00 ` Linus Torvalds
2021-12-08 18:44 ` Peter Zijlstra
2021-12-08 18:50 ` Linus Torvalds
2021-12-08 20:32 ` Peter Zijlstra [this message]
2021-12-10 10:57 ` Peter Zijlstra
2021-12-10 12:38 ` Peter Zijlstra
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